Out of the three rational numbers,  

-4

9

 ,  

4

-12

  and  

-4

13

 , which is greater?

A.	-4 13
B.	4 -12
C.	-4 9
D.	Rational numbers can not be compared

Find the value of ^@ y ^@ from the equation: ^@ \dfrac{ 5y-1 } { -3 } - \dfrac{ 5y + 5 } { 2 } = \dfrac{ 3y + 211 } { 6 } ^@

A.	^@ -6^@
B.	^@ -10^@
C.	^@ -7^@
D.	^@ -8^@

Find the number of sides of a regular polygon whose each exterior angle is ^@ 45 ^ \circ. ^@

A.	^@14^@
B.	^@9^@
C.	^@ 8 ^@
D.	^@6^@

Which is the smallest number that can be multiplied to 20592 to give a perfect square?

A.	39
B.	143
C.	140
D.	33

What is the value of ^@\left(-37\right)^3^@?

A.	^@47952^@
B.	^@-1369^@
C.	^@50653^@
D.	^@-50653^@

The value of a property increases every year at the rate of ^@10\%^@. If its value at the end of ^@3\%^@ years is ^@₩825220^@, what was its original value at the beginning of these years?

A.	^@₩730000^@
B.	^@₩470000^@
C.	^@₩590000^@
D.	^@₩620000^@

Factorize (64b² + 80b + 25).

A.	(b + 1) (64b + 25)
B.	(8b + 5) (8b + 5)
C.	(8b + 5) (8b - 5)
D.	(b - 1) (64b + 25)

Which are not prisms among the following?

A.
B.
C.
D.

Find the area of a triangle with base ^@ = 37 \space cm ^@ and height = ^@ 21 \space cm ^@.

A.	^@ 388.5 \space cm^2 ^@
B.	^@ 10.5 \space cm^2 ^@
C.	^@ 777 \space cm^2 ^@
D.	^@ 18.5 \space cm^2 ^@

If ^@\dfrac{ 11 }{ 5^2 } \times 5^x - 2 \times 5^{ x - 2 } = 45^@, then the value of ^@x^@ is

A.	^@2^@
B.	^@3^@
C.	^@1 ^@
D.	^@12 ^@

Person A can do a work in 34 days. If person B is 70% more efficient than person A, than in how many days can person B do the same work?

A.	21
B.	26
C.	18
D.	20

What are the factors of ^@36x^4y^4 - 1^@?

A.	^@(6xy + 1)^@ and ^@(6xy + 1)^@
B.	^@(6x + y)^@ and ^@(6x + y)^@
C.	^@(6x^2 + y^2)^@ and ^@(6x^2 - y^2)^@
D.	^@(6x^2y^2 + 1)^@ and ^@(6x^2y^2 - 1)^@

A bike is traveling with uniform speed in one direction. The following graph shows its position (in km) at two time points. Find its position at 40 minutes.

A.	30 km
B.	45 km
C.	50 km
D.	40 km

{a_m} is a sequence of integers such that a₁ = 1, and a_m+n = a_m + a_n + mn, for all positive integers m and n. What is the value of a₁₂?

A.	76
B.	80
C.	78
D.	79

Minsuh introduces Woojin as the son of the brother of her mother. How is Minsuh related to Woojin?

A.	Nephew
B.	Daughter
C.	Aunt
D.	Cousin

A reduction of ^@15\%^@ in the price of the sugar enables to get ^@1 \space kg^@ more for ^@₩ 170^@. What is the reduced price per ^@kg^@? What was the original price per ^@kg^@ before reduction.

A.	^@₩29, ₩25.5^@
B.	^@₩30, ₩26.5^@
C.	^@₩30, ₩25.5^@
D.	^@₩30, ₩22.5^@

If a person lent ₩1200 at 8% simple interest per annum for 10 years, then what is the amount of interest received by him at the end of 10 years?

A.	₩864
B.	₩960
C.	₩768
D.	₩1152

If a person lent ^@ ₩90000 ^@ for ^@2^@ years and he charged an interest rate of ^@ 10 \% ^@ and ^@ 16 \% ^@ compounded annually for the first and second year respectively, then what is the amount of interest received by him at the end of ^@2^@ years?

A.	^@ ₩ 24920 ^@
B.	^@ ₩ 24792 ^@
C.	^@ ₩ 24840 ^@
D.	^@ ₩ 24881 ^@

If F1 = 5q, F2 = -5q - 1 and F3 = 8q + 8, simplify F1 × F2 + F3 in terms of q.

A.	-25q2 - 3q + 8
B.	-25q2 + 3q - 8
C.	25q2 + 3q + 8
D.	-25q2 + 3q + 8

(a² - 2a - 63) ÷ (a - 9) = ?

A.	a - 7
B.	-7a + 1
C.	a + 7
D.	-a + 7

According to a meteorological report for ^@ 150 ^@ consecutive days in a year, its weather forecasts were correct ^@ 75 ^@ times.
Out of these days, one day is chosen at random.
What is the probability that the weather forecast was correct on that day?

A.	^@ 1 ^@
B.	^@ 0.7 ^@
C.	^@ 0.5 ^@
D.	^@ 0.6 ^@

In a kids-party, the different types of foods available are shown in the table below. How many meal combinations are possible, if one item is taken from each type (For example, "Hot and sour soup, Pizza, Juice, Ice-cream" is one combination.)?

Type	Options
Soup	Hot and sour soup Sweet corn soup Vegetable soup
Main Dish	Pizza Burger Chowmein
Drink	Juice Milk
Dessert	Ice-cream Brownie

A.	34
B.	36
C.	38
D.	40